v.
  - grow or develop in a healthy or vigorous way. ▸be working or at the height of one's career during a specified period. 
- wave (something) about dramatically.
n.
   - a bold or extravagant gesture or action.
- an ornamental flowing curve in handwriting or scrollwork.
- Music  an ornate musical passage. ▸a fanfare played by brass instruments. 
Derivative
  
  Etymology
  ME: from OFr. floriss-, lengthened stem of florir, based on L. florere, from flos, flor- ‘a flower’.